[releng] Issue #6772: move glibc32-2.20-7.3.fc27.2 from f27 to f27-build

[Kellin]

The issue: `move glibc32-2.20-7.3.fc27.2 from f27 to f27-build` of project: `releng` has
been assigned to `kellin` by kellin.

https://pagure.io/releng/issue/6772